diff --git a/Dockerfile_4 b/Dockerfile_4
index 295a3d1..eace5a6 100644
--- a/Dockerfile_4
+++ b/Dockerfile_4
@@ -30,6 +30,6 @@ RUN chmod +x ./train.py
 RUN chmod +x ./test.py
 
 #RUN $GIT_PYTHON_GIT_EXECUTABLE=/usr/local/lib/python3.10/dist-packages/git/__init__.py
-RUN GIT_PYTHON_REFRESH=quiet
+RUN $GIT_PYTHON_REFRESH=quiet
 RUN dvc pull
 RUN dvc repro
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